18x18x1 Pleated MERV 13 Air Filters 24 Pack AIR FILTER BOXES User-defifined Grow Schedules and Spectrum

User-defifined Grow Schedules and Spectrum for Specifific Strain

1-year warranty on probe

leaving the bottom section unused

soil growth

18x18x1 Pleated MERV 13 Air Filters 24 Pack AIR FILTER BOXES User-defifined Grow Schedules and SpectrumNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200